CI: Fix docker release trigger

[why]
The docker image should be rebuilt whenever a file that will end up in
the container has been changed. So this needs to be in line with the
.dockerignore file.

[how]
Add missing (new) `font-patcher` sub-scripts.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

.dockerignore

@@ -1,3 +1,4 @@
+# Keep this in line with .github/workflows/docker-release.yml
 **
 !src/glyphs
 !font-patcher

.github/workflows/docker-release.yml

@@ -5,7 +5,9 @@ on:
     branches:
       - master
     paths:
+      # Keep this in line with .dockerignore
       - bin/scripts/docker-entrypoint.sh
+      - bin/scripts/name_parser/Fontname*.py
       - src/glyphs/**
       - .dockerignore
       - Dockerfile